A string of bomb explosions, burning of car tyres and strewing of spikes on roads rocked areas of the three southernmost provinces and part of Songkhla overnight. No casualties were reported.
Authorities acknowledged that the insurgents had targeted the power supply.
A total of 52 power poles in 19 districts of Yala, Pattani, Narathiwat and Songkhla were damaged, causing widespread blackouts.
In Pattani, provincial police chief Piyawat Chalermsri on Friday ordered all 15 police stations in the 12 districts to tighten security after insurgents caused disruption with 11 attacks throughout the province.
Explosions were heard across Pattani from midnight to the early hours of Friday. Car tyres were set on fire on several roads.
In Muang and Nong Chik districts, about eight explosions were heard in each district, followed by power blackouts in many communities, particularly in Muang municipality areas.
Security units reported bombs detonated on Koh Por bridge on the Pattani-Yala Road in Nong Chik district. Nobody was injured. The area was cordoned off for further inspection today.
In Narathiwat, a series of bombs went off and spikes were strewn on roads at several areas in 12 districts from midnight to 12.30am on Friday, damaging many power poles.
Bomb disposal squads and forensic police inspected the scenes on Friday morning.
They reported two power poles at Lampu village in Muang district had been attacked. Two bombs, weighing 10-15kg, had been tied to the poles and detonated.
In Yingo district, bombs attached to two power poles were detonated at tambon Lubor Buesa.
In Rueso district, two bomb explosions damaged two power poles in tambon Samakhi. A mobile phone relay tower in tambon Sawor was also damaged.
In Cho Airong district, three bombs damaged two high voltage power poles. In Sungai Padi district, a high voltage power pole was also bombed in tambon Paluru. Spikes were strewn over the area, puncturing the tyres of several cars.
Explosions were also reported at one location in Waeng district, two in Sungai Kolok district, one in Bacho district and one in Si Sakhon district.
In Pattani, 18 power poles were damaged in six districts. In Yala, eight power poles were damaged in three districts and in Narathiwat 20 power poles in eight districts. In Songkhla, six power poles in two districts were damaged.
Col Pramote Prom-in, spokesman of the 4th Army Region’s Internal Security Operations Command (Isoc), said a total of 52 power poles in 19 districts of Yala, Pattani, Narathiwat and Songkhla were damaged by bomb blasts overnight. Car tyres were also burned in those areas.
There were no attacks on military targets, he said. The insurgents had targeted electricity supply.
-The Bangkok Post